喷淋密度
参考答案:
单位时间内喷淋在单位塔截面积上的液相体积,m3/(m2h)即m/h。
In relation to the law of contract, explain what is meant by the ‘postal rule’ and the circumstances when it does NOT apply. (10 marks)
市电设备的连接与断开顺序为:连接时先连接(),再接()。